用于分子通讯的颜色特异性微流控液滴检测
Colour-Specific Microfluidic Droplet Detection for Molecular Communication
摘要：
基于液滴的微流控系统是一种很有前途的芯片实验室（LoC）应用平台。这些系统还可用于增强具有集成液滴控制信息的LoC应用，或用于分子通信背景下的数据传输场景。对于这两种使用情况，小微流体通道中的液滴的检测和表征是至关重要的。到目前为止，只有具有有限能力的复杂实验室设置被用作检测设备。我们提出了一种新的低成本和便携式液滴检测器。该装置用于在基于液滴的微流体系统中自信地区分各个液滴。使用开关键控的16位序列是成功地传输第一次与这样的设置。此外，该设备的能力，以确定液滴的颜色和大小进行了演示。光谱传感器在微流体系统中的这种应用提供了新的可能性，例如颜色编码的数据传输或液滴内容的分析。
英文摘要：
Droplet-based microfluidic systems are a promising platform forlab-on-a-chip (LoC) applications. These systems can also be used toenhance LoC applications with integrated droplet control information or for data transmission scenarios in the context of molecular communication. For both use-cases the detection and characterisation of droplets in small microfluidic channels is crucial. So far, only complex lab setups with restricted capabilities have been presented as detection devices. We present a new low-cost and portable droplet detector. The device is used to confidently distinguish between individual droplets in a droplet-based microfluidic system. Using on-off keying a 16-bit sequence is successfully transmittedfor the first time with such a setup. Furthermore, the devices capabilities to characterise droplets regarding colour and size are demonstrated. Such an application of a spectral sensor in a microfluidic system presents new possibilities, such as colour-coded data transmission or analysis of droplet content.
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